Vrishchikam, or Vrishchika Masam, is the fourth month in a traditional Malayalam calendar and is a highly auspicious month. Vrishchika Masam 2012 begins on November 16 and ends on December 15. The 41-day Sabarimala Manadalam Kalam and Vratam begin from the first day of the month. Sabarimala Ayyappa Temple opens on the day for the two-month long annual pilgrimage season.

Vrischikam 1 is known as Mandala Kala Arabham or beginning of the Sabarimala season.
Thousands of devotees abstain from non-vegetarian food and observe certain austerities in the Vrishchika Masam mostly dedicated to Lord Ayyappa.
Some of the other important auspicious days in the month include Triprayar Ekadasi, Guruvayur Ekadasi and Trikartika.

Sree Renuka mariamman Kovil Celebrates Mandalam from 16 Nov 2012. On these days temple conduct Malapooja, Kettunira, bajans, Biksha etc. On 13th day of Vrichikam [Nov 28 2012] Temple celebrates Karthika Vilakku.

Ayyappan (Malayalam: അയ്യപ്പന്‍) (also called Sastavu, or Sasta) is a Hindu deity worshiped in a number of shrines across India. Ayyappan is believed to be an incarnation of Dharma Sasta, who is the offspring of Shiva and Vishnu (as Mohini, is the only female avatar of the God Vishnu ) and is generally depicted in a yogic posture, wearing a bell around his neck, hence named Manikantan

Vrishchikam, or Vrishchika Masam, is the fourth month in a traditional Malayalam calendar and is a highly auspicious month. Vrishchika Masam 2012 begins on November 16 and ends on December 15. The 41-day Sabarimala Manadalam Kalam and Vratam begin from the first day of the month. Sabarimala Ayyappa Temple opens on the day for the two-month long annual pilgrimage season.

Vrischikam 1 is known as Mandala Kala Arabham or beginning of the Sabarimala season.

Thousands of devotees abstain from non-vegetarian food and observe certain austerities in the Vrishchika Masam mostly dedicated to Lord Ayyappa.

Some of the other important auspicious days in the month include Triprayar Ekadasi, Guruvayur Ekadasi and Trikartika.